01. Numbers Ending in 7

for i in range(1, 1001):
    if i % 10 == 7:
        print(i)
=============================================
02. Half Sum Element

import sys

n = int(input())

sum = 0
# 6 1 2 3
max_num = -sys.maxsize
for i in range(1, n + 1):
    num = int(input())

    sum = sum + num
    if num > max_num:
        max_num = num

sum = sum - max_num

if sum == max_num:
    print("Yes")
    print(f"Sum = {sum}")
else:
    print("No")
    diff = abs(sum - max_num)
    print(f"Diff = {diff}")
=============================================
03. Histogram

n = int(input())

p1 = 0
p2 = 0
p3 = 0
p4 = 0
p5 = 0
for i in range(1, n + 1):
    current_num = int(input())

    if current_num < 200:
        p1 = p1 + 1
    elif current_num <= 399:
        p2 = p2 + 1
    elif current_num <= 599:
        p3 = p3 + 1
    elif current_num <= 799:
        p4 = p4 + 1
    else:
        p5 = p5 + 1

p1_percent = p1 / n * 100
p2_percent = p2 / n * 100
p3_percent = p3 / n * 100
p4_percent = p4 / n * 100
p5_percent = p5 / n * 100

print(f"{p1_percent:.2f}%")
print(f"{p2_percent:.2f}%")
print(f"{p3_percent:.2f}%")
print(f"{p4_percent:.2f}%")
print(f"{p5_percent:.2f}%")
=======================================================
04. Clever Lily

age = int(input())
price_wash_machine = float(input())
toy_price = int(input())

money = 10
sum = 0
count_toys = 0
brother = 0
for i in range(1, age + 1):
    if i % 2 != 0:
        count_toys = count_toys + 1
    else:
        brother = brother + 1
        sum = sum + money
        money = money + 10

money_toys = count_toys * toy_price
total_sum = money_toys + sum - brother

diff = abs(total_sum - price_wash_machine)
if total_sum >= price_wash_machine:
    print(f"Yes! {diff:.2f}")
else:
    print(f"No! {diff:.2f}")
============================================================
05. Salary

count_tabs = int(input())
salary = int(input())

copy_salary = salary
for i in range(1, count_tabs + 1):
    name_web = input()

    if name_web == "Facebook":
        copy_salary = copy_salary - 150
    elif name_web == "Instagram":
        copy_salary = copy_salary - 100
    elif name_web == "Reddit":
        copy_salary = copy_salary - 50

    if copy_salary <= 0:
        break

if copy_salary > 0:
    print(copy_salary)
else:
    print("You have lost your salary.")
===================================================================================
06. Oscars

actor_name = input()
init_points = float(input())
count_people = int(input())

total_points = init_points
for i in range(1, count_people + 1):
    name = input()
    current_points = float(input())

    points = (len(name) * current_points) / 2
    total_points = total_points + points
    if total_points >= 1250.5:
        break

if total_points < 1250.5:
    diff = abs(1250.5 - total_points)
    print(f"Sorry, {actor_name} you need {diff:.1f} more!")
else:
    print(f"Congratulations, {actor_name} got a nominee for leading role with {total_points:.1f}!")
===================================================================================
07. Trekking Mania

count_groups = int(input())

musala_count = 0
montblanc_count = 0
kilimanjaro_count = 0
k2_count = 0
everest_count = 0
all_people = 0
for i in range(1, count_groups + 1):
    count_people = int(input())
    all_people = all_people + count_people

    if count_people <= 5:
        musala_count = musala_count + count_people
    elif count_people <= 12:
        montblanc_count = montblanc_count + count_people
    elif count_people <= 25:
        kilimanjaro_count = kilimanjaro_count + count_people
    elif count_people <= 40:
        k2_count = k2_count + count_people
    else:
        everest_count = everest_count + count_people

musala_percent = musala_count / all_people * 100
montblanc_percent = montblanc_count / all_people * 100
kilimanjaro_percent = kilimanjaro_count / all_people * 100
k2_percent = k2_count / all_people * 100
everest_percent = everest_count / all_people * 100

print(f"{musala_percent:.2f}%")
print(f"{montblanc_percent:.2f}%")
print(f"{kilimanjaro_percent:.2f}%")
print(f"{k2_percent:.2f}%")
print(f"{everest_percent:.2f}%")
===================================================================================
08. Tennis Ranklist

import math

tournament_count = int(input())
init_points = int(input())

sum_points = 0
win_count = 0
for i in range(1, tournament_count + 1):
    level = input()

    if level == "W":
        win_count = win_count + 1
        sum_points = sum_points + 2000
    elif level == "F":
        sum_points = sum_points + 1200
    elif level == "SF":
        sum_points = sum_points + 720

total_points = sum_points + init_points
print(f"Final points: {total_points}")
avg_points = math.floor(sum_points / tournament_count)
print(f"Average points: {avg_points}")
percent_win = win_count / tournament_count * 100
print(f"{percent_win:.2f}%")